JP7073495B2 - 量子化パラメータ導出に基づく映像コーディング装置及び方法 - Google Patents

量子化パラメータ導出に基づく映像コーディング装置及び方法 Download PDF

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JP7073495B2
JP7073495B2 JP2020530470A JP2020530470A JP7073495B2 JP 7073495 B2 JP7073495 B2 JP 7073495B2 JP 2020530470 A JP2020530470 A JP 2020530470A JP 2020530470 A JP2020530470 A JP 2020530470A JP 7073495 B2 JP7073495 B2 JP 7073495B2
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luma
offset
chroma
value
deriving
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JP2021506157A5 (enrdf_load_stackoverflow
JPWO2019194422A5 (enrdf_load_stackoverflow
JP2021506157A (ja
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スンファン キム
チェヒョン イム
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LG Electronics Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2020530470A 2018-04-01 2019-03-05 量子化パラメータ導出に基づく映像コーディング装置及び方法 Active JP7073495B2 (ja)

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JP2022078055A JP2022106961A (ja) 2018-04-01 2022-05-11 量子化パラメータ導出に基づく映像コーディング装置及び方法
JP2024015002A JP7727025B2 (ja) 2018-04-01 2024-02-02 量子化パラメータ導出に基づく映像コーディング装置及び方法

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US201862651243P 2018-04-01 2018-04-01
US62/651,243 2018-04-01
PCT/KR2019/002520 WO2019194422A1 (en) 2018-04-01 2019-03-05 An image coding apparatus and method thereof based on a quantization parameter derivation

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EP (3) EP4283989A1 (enrdf_load_stackoverflow)
JP (3) JP7073495B2 (enrdf_load_stackoverflow)
KR (4) KR20240073164A (enrdf_load_stackoverflow)
CN (3) CN116320456A (enrdf_load_stackoverflow)
ES (2) ES2965422T3 (enrdf_load_stackoverflow)
FI (1) FI3941052T3 (enrdf_load_stackoverflow)
HR (1) HRP20231426T1 (enrdf_load_stackoverflow)
HU (2) HUE064565T2 (enrdf_load_stackoverflow)
PL (2) PL3941052T3 (enrdf_load_stackoverflow)
SI (1) SI3941052T1 (enrdf_load_stackoverflow)
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CN117714687A (zh) * 2019-04-26 2024-03-15 华为技术有限公司 根据亮度分量的亮度qp获取色度分量的色度qp的方法及装置
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US11310533B2 (en) * 2019-09-27 2022-04-19 Qualcomm Incorporated Quantization parameter signaling for joint chroma residual mode in video coding
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US11375221B2 (en) * 2020-02-12 2022-06-28 Tencent America LLC Method and apparatus for cross-component filtering
US11381820B2 (en) 2020-04-13 2022-07-05 Tencent America LLC Method and apparatus for video coding
US11871036B2 (en) 2020-09-24 2024-01-09 Korea University Research And Business Foundation Apparatus and method for compressing JPEG images
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KR102667406B1 (ko) 2024-05-20
US11477453B2 (en) 2022-10-18
US11917155B2 (en) 2024-02-27
EP3688986A1 (en) 2020-08-05
SI3941052T1 (sl) 2024-02-29
ES2965422T3 (es) 2024-04-15
HUE064565T2 (hu) 2024-03-28
EP4283989A1 (en) 2023-11-29
KR20240073164A (ko) 2024-05-24
CN111434111A (zh) 2020-07-17
US20240187588A1 (en) 2024-06-06
KR20220057652A (ko) 2022-05-09
CN111434111B (zh) 2023-04-14
FI3941052T3 (fi) 2023-12-12
CN116320456A (zh) 2023-06-23
US20200260084A1 (en) 2020-08-13
CN116320455A (zh) 2023-06-23
JP7727025B2 (ja) 2025-08-20
ES2902481T3 (es) 2022-03-28
JP2024050774A (ja) 2024-04-10
HUE057141T2 (hu) 2022-04-28
KR102547644B1 (ko) 2023-06-26
US20230007258A1 (en) 2023-01-05
EP3688986B1 (en) 2021-10-27
KR20200051850A (ko) 2020-05-13
HRP20231426T1 (hr) 2024-02-16
EP3688986A4 (en) 2020-08-19
KR102392128B1 (ko) 2022-04-28
WO2019194422A1 (en) 2019-10-10
JP2021506157A (ja) 2021-02-18
PL3688986T3 (pl) 2022-04-04
EP3941052A1 (en) 2022-01-19
US12363298B2 (en) 2025-07-15
PL3941052T3 (pl) 2024-03-04
KR20230093382A (ko) 2023-06-27
JP2022106961A (ja) 2022-07-20
EP3941052B1 (en) 2023-09-13

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